SD hydraulic rotary drilling rig
Quick tools switching system;
No noise,no sound operation;
SD series multifunctional hydraulic rotary drilling rigs:
* Advanced technology of mechanic-electric-hydraulic High efficiency;
* Multifunctional type with quick tools switching system;
* No noise,no sound operation;
* Utility model patent and CE certificate.
It's widely used in high speed railway,highway and bridges projects and used in clay,sand,cobbles,medium-weathered rocks and frozen soil layers.
* height of tower: 19100mm,19800mm,20100mm,21500mm,22870mm
* hole diameters: 750mm,1000mm,1200mm,1500mm,2000mm,2500mm
* drilling depth:35m,44m,56m,68m,77m,81m etc.
* Chasis:Special extensible chasis with freely telescopic pedrail;
* Winch:Special winch unit;
* Engine Original CUMMINS turbocharges intercooled engines;Euro II ,Euro III compliant;
* Hydraulic system:negative flow control,auxiliary circuit the load sensitive control,imported hydraulic pump,multi-way valves and travel motors;
* PLC Control system,multifunctional display;
* Driven uint:unique power head,3-section foldable mast;
* Drill pipe: friction type kelly bar and inter-locking kelly bar;
* Drilling bit: auger bit,cylindric bit,rock core bit.